function js_enable() {
			document.getElementById('js_enable').style.display = 'none';
		}
		
		function sons() {
		var sons = window.open('sons.php','','scrollbars=yes,menubar=no,height=600,width=530,resizable=yes,toolbar=no,location=no,status=no');
		}
		
		function getHeight(divid,display){
			if(document.getElementById(divid)){
				document.getElementById(divid).style.display = 'block';
				var divHeight;
				var obj = document.getElementById(divid);
				
				if(obj.offsetHeight)          {divHeight=obj.offsetHeight;}
				else if(obj.style.pixelHeight){divHeight=obj.style.pixelHeight;}
				document.getElementById(divid).style.height = divHeight + "px";
				document.getElementById(divid).style.display = display;    
				document.getElementById(divid).style.overflow = 'hidden';    
				}
			}

		
		function toggleDiv(divid,divid_bg,slide){
			if(document.getElementById(divid)){
				if(document.getElementById(divid).style.display == 'none'){
					if(slide){
						if(slide == 'slide'){
							slidedown(divid);
							}
						else if(slide == 'noslide'){
							document.getElementById(divid).style.display = 'block';
							}	
						}
					if(document.getElementById(divid_bg)){
						image = "url('images/fleche_play_bas.png')";
						document.getElementById(divid_bg).style.backgroundImage = image;
						document.getElementById(divid_bg).style.backgroundRepeat = 'no-repeat';
						document.getElementById(divid_bg).style.backgroundPosition = 'middle left';
						}
					}
				else{
					if(slide){
						if(slide == 'slide'){
							slideup(divid);
							}
						else if(slide == 'noslide'){
							document.getElementById(divid).style.display = 'none';
							}	
						}
					if(document.getElementById(divid_bg)){
						image = "url('images/fleche_play.png')";
						document.getElementById(divid_bg).style.backgroundImage = image;
						document.getElementById(divid_bg).style.backgroundRepeat = 'no-repeat';
						document.getElementById(divid_bg).style.backgroundPosition = 'middle left';
						}
					}
				}
			else if(document.getElementById(divid_bg)){
				image = "url('images/fleche_play_bas.png')";
				document.getElementById(divid_bg).style.backgroundImage = image;
				document.getElementById(divid_bg).style.backgroundRepeat = 'no-repeat';
				document.getElementById(divid_bg).style.backgroundPosition = 'middle left';
				}
			}
			
		divid_memory = "";
		function toggleOneDiv(divid,divid_bg){
			if(document.getElementById(divid)){
				if(divid == divid_memory){
					if(document.getElementById(divid).style.display == 'block'){
						document.getElementById(divid).style.display = 'none';
						}
					else if(document.getElementById(divid).style.display == 'none'){
						document.getElementById(divid).style.display = 'block';
						}
					}
				else {
					document.getElementById(divid).style.display = 'block';
					}
				if(document.getElementById(divid_bg)){
					image = "url('images/fleche_play_bas.png')";
					document.getElementById(divid_bg).style.backgroundImage = image;
					document.getElementById(divid_bg).style.backgroundRepeat = 'no-repeat';
					document.getElementById(divid_bg).style.backgroundPosition = 'middle left';
					}
				}
			if(document.getElementById(divid_memory)){ 
				if(divid_memory != divid){
					document.getElementById(divid_memory).style.display = 'none';
					}
				}
			}
		function memory(divid){
			divid_memory = divid;
			return divid_memory;
			}
	
		function thumb_color(divid,type){
			url = "images/" + type +"/thumbs/" + divid + ".jpg";
			divid_thumb = divid + "_thumb";
			document.getElementById(divid_thumb).src = url;
			}
		function thumb_bw(divid,type){
			url = "images/" + type + "/thumbs_bw/" + divid + ".jpg";
			divid_thumb = divid + "_thumb";
			document.getElementById(divid_thumb).src = url;
			}